Question

find the mode of the following data :- 143,132,149'148,151,146,135,128,139,150​

Answer 1

Step-by-step explanation:

given

143 ,132,149,148,151,146,135,128,139,150

first write this in ascending oder...

we get

128,132,135,139,143,146,148,149,150,151

$total \: number \: of \: observation = n = 10 \\ which \: is \: even \\ \\ for \: even \: number \: formula \\ \\ meadian = \frac{ \frac{n}{2}th \: observation \: + ( \frac{n}{2} + 1)th \: obsevation}{2} \\ \\ median = \frac{ (\frac{10}{2})th \: + (\frac{10}{2} + 1)th }{2} \\ \\ meadian = \frac{5th \: + 6th}{2} \\ \\ meadian = \frac{143 + 146}{2} \\ \\median = \frac{289}{2} \\ \\ median = 144.5$